package lab02.test37;

/**
 * Created by AIR on 2017/11/13.
 */
public class Graduate extends Student{
    @Override
    String calGrader() {
        String grade=" ";
        double avg=average();
        if (avg>80)
            System.out.println("通过");
        else
            System.out.println("不通过");
        return grade;

    }
}
